Abstract
Assessment of the risk to humans posed by chemical substances currently relies primarily on experimental exposure of animals in lifetime feeding studies. Short-term tests for genotoxicity are much less costly and use fewer or no animals, but have not replaced the long-term animal bioassay because their results do not coincide completely. We have developed methodologies for interpretation of short-term tests which improve the usefulness of their results, and may allow them to replace the long-term animal bioassay in some circumstances.
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